A GP ("Good Party") is one that is characterized by an abundance of alcohol and attractive or interesting characters. There should be an equal number of males and females at said good party. In terms of alcohol, a wide variety of spirits and/or beer creates the impression that one is extremely cool and a connoisseur of liqueurs. PIctures should be taken at a GP with many people and large amounts of Solo Cups. Competitive beer pong, kegs, home bars, and dancing are a few examples of things that can be found at a GP. A GP must also be GFP (good for pics).
"Hey Matthew, the frat house is throwing a party tomorrow night. I hear they're getting a keg. GP!!!!"

"This techno music is bumpin'. What a GP"

"I'm so hungover from the GP last night, I think my liver might fail."
by Cat Baker January 22, 2009
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A GP is a glass pipe used when smoking crystal meth. It is a straight tube with a bulb at the end with a hole on it.
Quit holding the damn lighter so close to the GP, your burnin up the bowl.
by IcE_SmOkeR December 14, 2009
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A very dry joke that buzz kills your entire day. A term used to embarrass someone who makes a terrible joke.
Person 1: Terrible Joke
*Silence, Awkwardness*
Person 2: "GP."
by Gurpreet C January 22, 2011
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"Grind Penis"
you go to a party and scope out one HOT guy and if you 1)dance with him 2) kiss him 3) hit home base you have officially gp'ed the guy
"man how was that party last week?"
"it was unreal, i gp'ed this hot college guy"
"attta girl!"

"are you going to semi tonight?"
" oh yes i have to gp tonight!"
by agoshawks August 26, 2009
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Bro 1: did you see that chicks GP's!?

Bro 2: yeah bro, I'm gettin that tonight!
Bro 1: bro, 90% of chicks that wear GP's have a bush...
Bro 2: FUCK!
by Jojo900 June 14, 2011
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GP Stands for Grand Prix at least in Racing and more!
Me: Where are you going
Racing Driver: To the Japaneese GP
by amstronglikebull October 3, 2021
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GP means to be guranteed pussy
yeah rhonda got with the whole basketball team, she's GP.
by toni s. May 14, 2006
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